John Durham wants to use internal instant messages from an FBI analyst embroiled in the Hunter Biden saga in his trial against Christopher Steele’s main dossier source, Igor Danchenko. Danchenko, a Russian-born, U.S.-based lawyer, was charged by Durham last year with five counts tied to alleged lies he told the bureau about the Trump dossier, and he has pleaded not guilty. His lawyers revealed Thursday some of what Durham plans to use in the October trial, including Microsoft Lync chats from a bureau analyst who interviewed the Russian national in 2017 and went on to get mixed up in the...